Ad-hoc Segregated Airspace ("Eseti légtér")
In Budapest FIR for the use of airspace for aviation purposes other than those specified in the ministerial decree on the designation of Hungarian airspace for aviation purposes or for other non-aviation purposes, ad-hoc segregated airspace is required. The ad-hoc segregated airspace is designated by the Military Aviation Authority in temporary manner for specified time frame and with specific horizontal and vertical limits.
Entering and overflying such an ad-hoc segregated airspace is not permitted, except for aircraft
Horizontal and vertical limits and operating time frames of ad-hoc segregated airspaces are published in NOTAMs.